/* 32-bit ELF support for TI C6X
- Copyright 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 2010-2016 Free Software Foundation, Inc.
Contributed by Joseph Myers <joseph@codesourcery.com>
Bernd Schmidt <bernds@codesourcery.com>
{
HOWTO (R_C6000_NONE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
0, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
- EMPTY_HOWTO (29),
- EMPTY_HOWTO (30),
+ HOWTO (R_C6000_PCR_H16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_C6000_PCR_H16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x007fff80, /* dst_mask */
+ TRUE), /* pcrel_offset */
+ HOWTO (R_C6000_PCR_L16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_C6000_PCR_L16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x007fff80, /* dst_mask */
+ TRUE), /* pcrel_offset */
EMPTY_HOWTO (31),
EMPTY_HOWTO (32),
EMPTY_HOWTO (33),
{
HOWTO (R_C6000_NONE, /* type */
0, /* rightshift */
- 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 3, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
0, /* src_mask */
0xffffffff, /* dst_mask */
FALSE), /* pcrel_offset */
- EMPTY_HOWTO (29),
- EMPTY_HOWTO (30),
+ EMPTY_HOWTO (R_C6000_PCR_H16),
+ EMPTY_HOWTO (R_C6000_PCR_L16),
EMPTY_HOWTO (31),
EMPTY_HOWTO (32),
EMPTY_HOWTO (33),
struct elf32_tic6x_link_hash_table *ret;
bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table);
- ret = bfd_malloc (amt);
+ ret = bfd_zmalloc (amt);
if (ret == NULL)
return NULL;
return NULL;
}
- ret->sym_cache.abfd = NULL;
ret->obfd = abfd;
ret->elf.is_relocatable_executable = 1;
static bfd_boolean
elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info)
{
- if (info->shared)
+ if (bfd_link_pic (info))
{
obj_attribute *out_attr;
out_attr = elf_known_obj_attributes_proc (abfd);
return TRUE;
}
-/* Destroy a C6X ELF linker hash table. */
-
-static void
-elf32_tic6x_link_hash_table_free (struct bfd_link_hash_table *hash)
-{
- _bfd_generic_link_hash_table_free (hash);
-}
-
/* Called to pass PARAMS to the backend. We store them in the hash table
associated with INFO. */
|| ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5))
return FALSE;
- htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
- if (!info->shared)
- htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
+ htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
+ if (!bfd_link_pic (info))
+ htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
if (!htab->sdynbss
- || (!info->shared && !htab->srelbss))
+ || (!bfd_link_pic (info) && !htab->srelbss))
abort ();
return TRUE;
it up. */
if ((h->dynindx == -1
- && !((h->forced_local || info->executable)
+ && !((h->forced_local || bfd_link_executable (info))
&& h->def_regular
&& h->type == STT_GNU_IFUNC))
|| plt == NULL
Get the offset into the .got table of the entry that
corresponds to this function. Each .got entry is 4 bytes.
The first three are reserved.
-
+
For static executables, we don't reserve anything. */
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
/* This symbol has an entry in the global offset table.
Set it up. */
- sgot = bfd_get_section_by_name (dynobj, ".got");
- srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ sgot = bfd_get_linker_section (dynobj, ".got");
+ srela = bfd_get_linker_section (dynobj, ".rela.got");
BFD_ASSERT (sgot != NULL && srela != NULL);
/* If this is a -Bsymbolic link, and the symbol is defined
the symbol was forced to be local because of a version file.
The entry in the global offset table will already have been
initialized in the relocate_section function. */
- if (info->shared
- && (info->symbolic
+ if (bfd_link_pic (info)
+ && (SYMBOLIC_BIND (info, h)
|| h->dynindx == -1 || h->forced_local) && h->def_regular)
{
asection *s = h->root.u.def.section;
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
- if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ if (h == elf_hash_table (info)->hdynamic
|| h == elf_hash_table (info)->hgot)
sym->st_shndx = SHN_ABS;
Elf_Internal_Shdr **elf_shdrp;
bfd_boolean again;
+ _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook);
+
/* Marking EH data may cause additional code sections to be marked,
requiring multiple passes. */
again = TRUE;
while (again)
{
again = FALSE;
- for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
{
asection *o;
bfd_signed_vma *local_got_refcounts;
const Elf_Internal_Rela *rel, *relend;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
htab = elf32_tic6x_hash_table (info);
only references to the symbol are via the global offset table.
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
- if (info->shared)
+ if (bfd_link_pic (info))
return TRUE;
/* If there are no references to this symbol that do not use the
if (htab == NULL)
return FALSE;
- if (h->size == 0)
- {
- (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
- h->root.root.string);
- return TRUE;
- }
-
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
an entry for this symbol in the .dynsym section. The dynamic
/* We must generate a R_C6000_COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
runtime process image. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
{
htab->srelbss->size += sizeof (Elf32_External_Rela);
h->needs_copy = 1;
s = htab->sdynbss;
- return _bfd_elf_adjust_dynamic_copy (h, s);
+ return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
static bfd_boolean
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
- bfd_vma off, relocation;
+ bfd_vma off, off2, relocation;
bfd_boolean unresolved_reloc;
bfd_reloc_status_type r;
struct bfd_link_hash_entry *sbh;
}
else
{
- bfd_boolean warned;
+ bfd_boolean warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
h, sec, relocation,
- unresolved_reloc, warned);
+ unresolved_reloc, warned, ignored);
}
- if (sec != NULL && elf_discarded_section (sec))
+ if (sec != NULL && discarded_section (sec))
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
- rel, relend, howto, contents);
+ rel, 1, relend, howto, 0, contents);
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
{
if (is_rel
&& sym != NULL
goto done_reloc;
}
}
+ /* Fall through. */
case R_C6000_PCR_S12:
case R_C6000_PCR_S10:
unresolved_reloc = FALSE;
break;
+ case R_C6000_PCR_H16:
+ case R_C6000_PCR_L16:
+ off = (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+ /* These must be calculated as R = S - FP(FP(PC) - A).
+ PC, here, is the value we just computed in OFF. RELOCATION
+ has the address of S + A. */
+ relocation -= rel->r_addend;
+ off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f;
+ off2 = relocation - off2;
+ relocation = off + off2;
+ break;
+
case R_C6000_DSBT_INDEX:
relocation = elf32_tic6x_hash_table (info)->params.dsbt_index;
- if (!info->shared || relocation != 0)
+ if (!bfd_link_pic (info) || relocation != 0)
break;
/* fall through */
/* When generating a shared object or relocatable executable, these
relocations are copied into the output file to be resolved at
run time. */
- if ((info->shared || elf32_tic6x_using_dsbt (output_bfd))
+ if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
&& (input_section->flags & SEC_ALLOC)
&& (h == NULL
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
memset (&outrel, 0, sizeof outrel);
else if (h != NULL
&& h->dynindx != -1
- && (!info->shared
- || !info->symbolic
+ && (!bfd_link_pic (info)
+ || !SYMBOLIC_BIND (info, h)
|| !h->def_regular))
{
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
}
else
{
- (*_bfd_error_handler) (_("%B: SB-relative relocation but "
- "__c6xabi_DSBT_BASE not defined"),
- input_bfd);
+ _bfd_error_handler (_("%B: SB-relative relocation but "
+ "__c6xabi_DSBT_BASE not defined"),
+ input_bfd);
ok = FALSE;
continue;
}
off = h->got.offset;
dyn = htab->elf.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
- || (info->shared
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ h)
+ || (bfd_link_pic (info)
&& SYMBOL_REFERENCES_LOCAL (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
htab->elf.sgot->contents + off);
h->got.offset |= 1;
- if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
+ if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
h)
&& !(ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
bfd_put_32 (output_bfd, relocation,
htab->elf.sgot->contents + off);
- if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
+ if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off);
local_got_offsets[r_symndx] |= 1;
symbols. Make this an error; the compiler isn't
allowed to pass us these kinds of things. */
if (h == NULL)
- (*_bfd_error_handler)
+ _bfd_error_handler
(_("%B, section %A: relocation %s with non-zero addend %d"
" against local symbol"),
input_bfd,
elf32_tic6x_howto_table[r_type].name,
rel->r_addend);
else
- (*_bfd_error_handler)
+ _bfd_error_handler
(_("%B, section %A: relocation %s with non-zero addend %d"
" against symbol `%s'"),
input_bfd,
/* Invalid in relocatable object. */
default:
/* Unknown relocation. */
- (*_bfd_error_handler) (_("%B: invalid relocation type %d"),
- input_bfd, r_type);
+ _bfd_error_handler (_("%B: invalid relocation type %d"),
+ input_bfd, r_type);
ok = FALSE;
continue;
}
/* If the overflowing reloc was to an undefined symbol,
we have already printed one error message and there
is no point complaining again. */
- if ((! h ||
- h->root.type != bfd_link_hash_undefined)
- && (!((*info->callbacks->reloc_overflow)
- (info, (h ? &h->root : NULL), name, howto->name,
- (bfd_vma) 0, input_bfd, input_section,
- rel->r_offset))))
- return FALSE;
+ if (!h || h->root.type != bfd_link_hash_undefined)
+ (*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
break;
case bfd_reloc_undefined:
- if (!((*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section,
- rel->r_offset, TRUE)))
- return FALSE;
+ (*info->callbacks->undefined_symbol) (info, name, input_bfd,
+ input_section,
+ rel->r_offset, TRUE);
break;
case bfd_reloc_outofrange:
common_error:
BFD_ASSERT (error_message != NULL);
- if (!((*info->callbacks->reloc_dangerous)
- (info, error_message, input_bfd, input_section,
- rel->r_offset)))
- return FALSE;
+ (*info->callbacks->reloc_dangerous)
+ (info, error_message, input_bfd, input_section, rel->r_offset);
break;
}
}
const Elf_Internal_Rela *rel_end;
asection *sreloc;
- if (info->relocatable)
+ if (bfd_link_relocatable (info))
return TRUE;
htab = elf32_tic6x_hash_table (info);
/* Create dynamic sections for relocatable executables so that we can
copy relocations. */
- if (elf32_tic6x_using_dsbt (abfd)
+ if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
&& ! htab->elf.dynamic_sections_created)
{
if (! _bfd_elf_link_create_dynamic_sections (abfd, info))
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
- (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
- abfd,
- r_symndx);
+ _bfd_error_handler (_("%B: bad symbol index: %d"),
+ abfd, r_symndx);
return FALSE;
}
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ h->root.non_ir_ref = 1;
}
switch (r_type)
store the number of R_C6000_DSBT_INDEX relocs in the
pc_count field, and potentially discard the extra space
in elf32_tic6x_allocate_dynrelocs. */
- if (!info->shared)
+ if (!bfd_link_pic (info))
break;
/* fall through */
may need to keep relocations for symbols satisfied by a
dynamic library if we manage to avoid copy relocs for the
symbol. */
- if ((info->shared || elf32_tic6x_using_dsbt (abfd))
+ if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd))
&& (sec->flags & SEC_ALLOC) != 0)
{
struct elf_dyn_relocs *p;
case R_C6000_SBR_H16_B:
case R_C6000_SBR_H16_H:
case R_C6000_SBR_H16_W:
- if (h != NULL && info->executable)
+ if (h != NULL && bfd_link_executable (info))
{
/* For B14-relative addresses, we might need a copy
reloc. */
*secp = bfd_make_section_old_way (abfd, ".scommon");
(*secp)->flags |= SEC_IS_COMMON;
*valp = sym->st_size;
- bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
+ (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value));
break;
}
if (h->root.type == bfd_link_hash_indirect)
return TRUE;
- if (h->root.type == bfd_link_hash_warning)
- /* When warning symbols are created, they **replace** the "real"
- entry in the hash table, thus we never get to see the real
- symbol in a hash traversal. So look at it now. */
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
eh = (struct elf32_tic6x_link_hash_entry *) h;
-
info = (struct bfd_link_info *) inf;
htab = elf32_tic6x_hash_table (info);
return FALSE;
}
- if (info->shared
+ if (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
{
asection *s = htab->elf.splt;
location in the .plt. This is required to make function
pointers compare as equal between the normal executable and
the shared library. */
- if (! info->shared && !h->def_regular)
+ if (! bfd_link_pic (info) && !h->def_regular)
{
h->root.u.def.section = s;
h->root.u.def.value = h->plt.offset;
/* Discard relocs on undefined weak syms with non-default
visibility. */
- if (info->shared || elf32_tic6x_using_dsbt (htab->obfd))
+ if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd))
{
/* We use the pc_count field to hold the number of
R_C6000_DSBT_INDEX relocs. */
struct elf32_tic6x_link_hash_entry *eh;
struct elf_dyn_relocs *p;
- if (h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
eh = (struct elf32_tic6x_link_hash_entry *) h;
for (p = eh->dyn_relocs; p != NULL; p = p->next)
{
if (htab->elf.dynamic_sections_created)
{
/* Set the contents of the .interp section to the interpreter. */
- if (info->executable)
+ if (bfd_link_executable (info) && !info->nointerp)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
+ s = bfd_get_linker_section (dynobj, ".interp");
if (s == NULL)
abort ();
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
/* Set up .got offsets for local syms, and space for local dynamic
relocs. */
- for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
{
bfd_signed_vma *local_got;
bfd_signed_vma *end_local_got;
- char *local_tls_type;
- bfd_vma *local_tlsdesc_gotent;
bfd_size_type locsymcount;
Elf_Internal_Shdr *symtab_hdr;
asection *srel;
end_local_got = local_got + locsymcount;
s = htab->elf.sgot;
srel = htab->elf.srelgot;
- for (; local_got < end_local_got;
- ++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
+ for (; local_got < end_local_got; ++local_got)
{
if (*local_got > 0)
{
*local_got = s->size;
s->size += 4;
- if (info->shared || elf32_tic6x_using_dsbt (output_bfd))
+ if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd))
{
srel->size += sizeof (Elf32_External_Rela);
}
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (info->executable)
+ if (bfd_link_executable (info))
{
if (!add_dynamic_entry (DT_DEBUG, 0))
return FALSE;
static bfd_boolean
elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info)
{
- if (elf32_tic6x_using_dsbt (output_bfd) && !info->relocatable)
- {
- struct elf_link_hash_entry *h;
-
- /* Force a PT_GNU_STACK segment to be created. */
- if (! elf_tdata (output_bfd)->stack_flags)
- elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
-
- /* Define __stacksize if it's not defined yet. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (! h || h->root.type != bfd_link_hash_defined
- || h->type != STT_OBJECT
- || !h->def_regular)
- {
- struct bfd_link_hash_entry *bh = NULL;
-
- if (!(_bfd_generic_link_add_one_symbol
- (info, output_bfd, "__stacksize",
- BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
- (const char *) NULL, FALSE,
- get_elf_backend_data (output_bfd)->collect, &bh)))
- return FALSE;
-
- h = (struct elf_link_hash_entry *) bh;
- h->def_regular = 1;
- h->type = STT_OBJECT;
- }
- }
- return TRUE;
-}
-
-static bfd_boolean
-elf32_tic6x_modify_program_headers (bfd *output_bfd,
- struct bfd_link_info *info)
-{
- struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
- struct elf_segment_map *m;
- Elf_Internal_Phdr *p;
-
- /* objcopy and strip preserve what's already there using
- elf32_tic6x_copy_private_bfd_data (). */
- if (! info)
- return TRUE;
-
- for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
- if (m->p_type == PT_GNU_STACK)
- break;
-
- if (m)
- {
- struct elf_link_hash_entry *h;
-
- /* Obtain the pointer to the __stacksize symbol. */
- h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
- FALSE, FALSE, FALSE);
- if (h)
- {
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- BFD_ASSERT (h->root.type == bfd_link_hash_defined);
- }
-
- /* Set the header p_memsz from the symbol value. We
- intentionally ignore the symbol section. */
- if (h && h->root.type == bfd_link_hash_defined)
- p->p_memsz = h->root.u.def.value;
- else
- p->p_memsz = DEFAULT_STACK_SIZE;
-
- p->p_align = 8;
- }
+ if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info)
+ && !bfd_elf_stack_segment_size (output_bfd, info,
+ "__stacksize", DEFAULT_STACK_SIZE))
+ return FALSE;
return TRUE;
}
htab = elf32_tic6x_hash_table (info);
dynobj = htab->elf.dynobj;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
if (elf_hash_table (info)->dynamic_sections_created)
{
if (!_bfd_generic_verify_endian_match (ibfd, obfd))
return FALSE;
- if (!elf32_tic6x_merge_attributes (ibfd, obfd))
- return FALSE;
-
- return TRUE;
-}
-
-static bfd_boolean
-elf32_tic6x_copy_private_data (bfd * ibfd, bfd * obfd)
-{
- _bfd_elf_copy_private_bfd_data (ibfd, obfd);
-
if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (obfd))
return TRUE;
- /* Copy the stack size. */
- if (elf_tdata (ibfd)->phdr && elf_tdata (obfd)->phdr
- && elf32_tic6x_using_dsbt (ibfd) && elf32_tic6x_using_dsbt (obfd))
- {
- unsigned i;
-
- for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
- if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
-
- for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
- if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
- {
- memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
-
- /* Rewrite the phdrs, since we're only called after they
- were first written. */
- if (bfd_seek (obfd,
- (bfd_signed_vma) get_elf_backend_data (obfd)
- ->s->sizeof_ehdr, SEEK_SET) != 0
- || get_elf_backend_data (obfd)->s
- ->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
- elf_elfheader (obfd)->e_phnum) != 0)
- return FALSE;
- break;
- }
-
- break;
- }
- }
+ if (!elf32_tic6x_merge_attributes (ibfd, obfd))
+ return FALSE;
return TRUE;
}
{
tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *)
xmalloc (sizeof (tic6x_unwind_table_edit));
-
+
new_edit->type = type;
new_edit->linked_section = linked_section;
new_edit->index = tindex;
-
+
if (tindex > 0)
{
new_edit->next = NULL;
/* Scan .cx6abi.exidx tables, and create a list describing edits which
should be made to those tables, such that:
-
+
1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries.
2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind
codes which have been inlined into the index).
/* Walk over all EXIDX sections, and create backlinks from the corrsponding
text sections. */
- for (inp = info->input_bfds; inp != NULL; inp = inp->link_next)
+ for (inp = info->input_bfds; inp != NULL; inp = inp->link.next)
{
asection *sec;
-
+
for (sec = inp->sections; sec != NULL; sec = sec->next)
{
struct bfd_elf_section_data *elf_sec = elf_section_data (sec);
Elf_Internal_Shdr *hdr = &elf_sec->this_hdr;
-
+
if (!hdr || hdr->sh_type != SHT_C6000_UNWIND)
continue;
-
+
if (elf_sec->linked_to)
{
Elf_Internal_Shdr *linked_hdr
hdr = &elf_section_data (exidx_sec)->this_hdr;
if (hdr->sh_type != SHT_C6000_UNWIND)
continue;
-
+
exidx_data = get_tic6x_elf_section_data (exidx_sec);
if (exidx_data == NULL)
continue;
-
+
ibfd = exidx_sec->owner;
-
+
if (hdr->contents != NULL)
contents = hdr->contents;
else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents))
/* Record edits to be applied later (in elf32_tic6x_write_section). */
exidx_data->u.exidx.unwind_edit_list = unwind_edit_head;
exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail;
-
+
if (deleted_exidx_bytes > 0)
elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes);
/* High bit of first word is supposed to be zero. */
if ((first_word & 0x80000000ul) == 0)
first_word = elf32_tic6x_add_low31 (first_word, offset);
-
+
/* If the high bit of the first word is clear, and the bit pattern is not 0x1
(EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */
if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0))
second_word = elf32_tic6x_add_low31 (second_word, offset);
-
+
bfd_put_32 (output_bfd, first_word, to);
bfd_put_32 (output_bfd, second_word, to + 4);
}
if (edit_node)
{
unsigned int edit_index = edit_node->index;
-
+
if (in_index < edit_index && in_index * 8 < input_size)
{
elf32_tic6x_copy_exidx_entry (output_bfd,
in_index++;
add_to_offsets += 8;
break;
-
+
case INSERT_EXIDX_CANTUNWIND_AT_END:
{
asection *text_sec = edit_node->linked_section;
}
break;
}
-
+
edit_node = edit_node->next;
}
}
return TRUE;
}
-#define TARGET_LITTLE_SYM bfd_elf32_tic6x_le_vec
+#define TARGET_LITTLE_SYM tic6x_elf32_le_vec
#define TARGET_LITTLE_NAME "elf32-tic6x-le"
-#define TARGET_BIG_SYM bfd_elf32_tic6x_be_vec
+#define TARGET_BIG_SYM tic6x_elf32_be_vec
#define TARGET_BIG_NAME "elf32-tic6x-be"
#define ELF_ARCH bfd_arch_tic6x
#define ELF_TARGET_ID TIC6X_ELF_DATA
#define ELF_MAXPAGESIZE 0x1000
#define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup
-#define bfd_elf32_bfd_copy_private_bfd_data elf32_tic6x_copy_private_data
#define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data
#define bfd_elf32_mkobject elf32_tic6x_mkobject
#define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create
-#define bfd_elf32_bfd_link_hash_table_free elf32_tic6x_link_hash_table_free
#define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook
+#define elf_backend_stack_align 8
#define elf_backend_can_gc_sections 1
#define elf_backend_default_use_rela_p 1
#define elf_backend_may_use_rel_p 1
#define elf_backend_fake_sections elf32_tic6x_fake_sections
#define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
-#define elf_backend_modify_program_headers \
- elf32_tic6x_modify_program_headers
#define elf_backend_create_dynamic_sections \
elf32_tic6x_create_dynamic_sections
#define elf_backend_adjust_dynamic_symbol \
#define elf_backend_section_from_bfd_section \
elf32_tic6x_section_from_bfd_section
#define elf_backend_relocate_section elf32_tic6x_relocate_section
+#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
#define elf_backend_finish_dynamic_symbol \
elf32_tic6x_finish_dynamic_symbol
#define elf_backend_always_size_sections \
#define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym
#define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val
+#include "elf32-target.h"
+
+#undef elf32_bed
+#define elf32_bed elf32_tic6x_linux_bed
+
+#undef TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec
+#undef TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME "elf32-tic6x-linux-le"
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM tic6x_elf32_linux_be_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-tic6x-linux-be"
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_C6000_LINUX
+
+#include "elf32-target.h"
+
+#undef elf32_bed
+#define elf32_bed elf32_tic6x_elf_bed
+
+#undef TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec
+#undef TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME "elf32-tic6x-elf-le"
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-tic6x-elf-be"
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_C6000_ELFABI
#include "elf32-target.h"
projects / thirdparty / binutils-gdb.git / blobdiff